258112860 has 24 divisors (see below), whose sum is σ = 722716176. Its totient is φ = 68830080.

The previous prime is 258112859. The next prime is 258112909. The reversal of 258112860 is 68211852.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2150881 + ... + 2151000.

It is an arithmetic number, because the mean of its divisors is an integer number (30113174).

Almost surely, 2^258112860 is an apocalyptic number.

258112860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258112860 is an abundant number, since it is smaller than the sum of its proper divisors (464603316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

258112860 is a wasteful number, since it uses less digits than its factorization.

258112860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4301893 (or 4301891 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 258112860 is about 16065.8911984365. The cubic root of 258112860 is about 636.7024890833.

The spelling of 258112860 in words is "two hundred fifty-eight million, one hundred twelve thousand, eight hundred sixty".